Traumatic Cataract

This is usually a unilateral problem in a younger patient and sometimes the nature of the damage to the eye prevents the insertion of an intraocular lens. The patient could be left with no lens in the eye, a situation known as aphakia. Vision can be restored by a strong convex spectacle lens but the difference between the

Figure 11.3. A typical plastic intraocular implant.There are different designs to suit different surgical techniques. CD

two eyes makes it impossible to wear glasses. This is partly because everything looks much bigger with the corrected aphakic eye; the image on the retina is abnormally large. By wearing a contact lens on the cornea, the optical problems might be solved,but it is an unfortunate fact that patients with traumatic cataracts usually have working conditions that are unsuited to the wearing of a contact lens.

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